All products base prices can be found in two locations,
1) Inside the platform, navigating to the product catalog and clicking on a product
2) Choose Print provider option
3) Choose "edit details"
4) You will see a pricing table on the bottom of the product details page. with product cost and shipping for every variant.
*do not confuse base prices with retail prices, as a seller, you set your own retail prices, there is no restriction as long as it is more than the base price.